GATE Electronics and Communications (EC) 2020 Solved Papers

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Question : 7 of 65

Marks: +1, -0

It is quarter past three in your watch. The angle between the hour hand and the minute hand

$0^{∘}$
$22.5^{∘}$
$15^{∘}$
$7.5^{∘}$

Solution:

60 units of min hand

=5

units of hour hand.

∴ 15

units of

{min}

hand

=\;{5 × 15}/{50}

units of hour hand

=1.25

units of hour hand
60 units

=360^{∘}

1.25

units

=6 × 1.25^{∘}

=7.5^{∘} .

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